Microsoft

98-365 · Question #305

By default, what port does SMTP use?

The correct answer is C. 25. SMTP uses TCP port 25.

Understanding Server Roles

Question

By default, what port does SMTP use?

Options

A80
B23
C25
D21

How the community answered

(31 responses)

B
6% (2)
C
90% (28)
D
3% (1)

Explanation

SMTP uses TCP port 25.

Topics

#SMTP#Port numbers#Email protocols

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